Phase-contrast microscopy depends on the refractive index of the region of specimen and generates image in which we see a pattern of 

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#Question id: 39973

#Environmental Science

Q. The father of plant taxonomy is:

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#Question id: 39974

#Environmental Science

 Artificial system of classification is based mainly on:

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#Question id: 39976

#Environmental Science

Q. Natural system of classification was proposed by:

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#Question id: 39980

#Environmental Science

Q. Bentham and Hooker system is based on:

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#Question id: 39984

#Environmental Science

APG (Angiosperm Phylogeny Group) classification is based mainly on:

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#Question id: 39986

#Environmental Science

 The basic unit of classification is: